Finding the Fourth Proportional to 19,625,511.84, 27,082,999.44 and 10,923,545.76
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Solution
The fourth proportional to 19,625,511.84, 27,082,999.44 and 10,923,545.76 is: 15,074,377.99
Step by Step Solution
- Step 1: Write the proportion equation
19,625,511.84 : 27,082,999.44 = 10,923,545.76 : x - Step 2: Convert to fraction form
19,625,511.84/27,082,999.44 = 10,923,545.76/x - Step 3: Cross multiply
19,625,511.84x = 27,082,999.44 × 10,923,545.76 - Step 4: Simplify right side
19,625,511.84x = 295,842,383,700,894.38 - Step 5: Solve for x
x = 295,842,383,700,894.38/19,625,511.84 - Step 6: Final answer
x = 15,074,377.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.